Question 3. Let a € (0,1) and define f : T→R by 1 f(x) = sin(nx) na n=1 for all r E (-T, 7]. Prove that f converges for all x E T. (Hint: For r + 0, show E-1 sin(kx)< TanET: Then use Question 3 from the Midterm.) =D1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 18E
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Question 3. Let a E (0, 1) and define f : T → R by
f (x) =
1
E sin(næ)
na
n=1
for all æ E (- , 7]. Prove that f converges for all æ E T.
(Hint: For a # 0, show E-1 sin ulET: Then use Question 3 from the Midterm.)
(kx) <
k=1
Transcribed Image Text:Question 3. Let a E (0, 1) and define f : T → R by f (x) = 1 E sin(næ) na n=1 for all æ E (- , 7]. Prove that f converges for all æ E T. (Hint: For a # 0, show E-1 sin ulET: Then use Question 3 from the Midterm.) (kx) < k=1
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